This separately available Square Cool bag perfectly fits our 32L Square folding boxes. Especially handy when you would like the content to be cooled. For example groceries, picknick foods or for keeping all the drinks cool at the beach.
The cool bag has an aluminium lining which has an extra cooling effect. It is equipped with a zipper to make it easy to open and close. The folding boxes remain perfectly stackable with a cool bag inside.